Motobatt Battery MBTX7U 12v 8.5Ah (20Hr) CCA:130A YTX7LBS, YTZ8V L:114mm x H:128mm x W:70mm

Motobatt batteries are a sealed unit, so no need to mess with Electrolyte/Acid.
This battery comes with 2 years manufactures warranty. To make the warranty valid, you must register the warranty within 21 days of making the order.